Invention Grant
- Patent Title: Method of making a wheel rim
- Patent Title (中): 制作轮辋的方法
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Application No.: US532702Application Date: 1995-09-26
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Publication No.: US5594988APublication Date: 1997-01-21
- Inventor: Jordan S. Fishman
- Applicant: Jordan S. Fishman
- Assignee: Fishman; Jordan S.
- Current Assignee: Fishman; Jordan S.
- Priority: GBX9306550 19930330
- Main IPC: B60B21/00
- IPC: B60B21/00 ; B21D53/30 ; B21K1/38 ; B21D37/16
Abstract:
A method of manufacturing a wheel rim comprising the steps of: (i) pressing or rolling flat steel section into an annulus; (ii) welding the ends of the section together; (iii) heating to about 700.degree. C. one end of the annulus to an axially extending depth of about 7.5 cm; (iv) pressing said one end partially or fully to shape; (v) heating to about 700.degree. C. the other end of the annulus to an axially extending depth of about 7.5 cm; (vi) pressing said other end partially or fully to shape.
Public/Granted literature
- US4539990A Sutureless closure system Public/Granted day:1985-09-10
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